Rear derailleur



FIG. 1 is an outside perspective view of a rear derailleur in accordance with my new design;

FIG. 2 is an outside elevational view of the rear derailleur in accordance with my new design;

FIG. 3 is an inside elevational view of the rear derailleur in accordance with my new design;

FIG. 4 is a front end elevational view of the rear derailleur in accordance with my new design;

FIG. 5 is a rear end elevational view of the rear derailleur in accordance with my new design;

FIG. 6 is a top plan view of the rear derailleur in accordance with my new design; and,

FIG. 7 is a bottom plan view of the rear derailleur in accordance with my new design. 

The ornamental design for a rear derailleur, as shown and described. 